Aerosol silica

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Contents

Description

A colloidal form of silica that is a very light, fluffy white powder. Aerosol silica, also called fumed silica, is made by hydrogen-oxygen furnace combustion of silicon tetrachloride. This produces tiny spherical particles of varying sizes. Aerosol silica is available in hydrophilic and hydrophobic (coated) forms. It is used as a matting agent, thickener, and filler in many adhesives and coatings. Fumed silica has also been used as a desiccating agent to kill insects.

Synonyms and Related Terms

fumed silica; AerosilĀ® [Degussa-Huls]; Cab-O-Sil [Cabot]

CAS 112945-52-5

Hazards and Safety

Inhalation may cause silicosis; Use dust mask.

Degussa Corp: MSDS

Sources Checked for Data in Record

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

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